document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=566186>Question 566186</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I tried to use every system  to solve these problems... I have an \"a\" and a \"b\" in each problem\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A: x+5y = -15<BR>\n" );
document.write( "   y = 1/5x + 1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "[ I got (-8, -1.2)for my answer]\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "B: 2x - 3y = -27<BR>\n" );
document.write( "   -3x + 2y = 23\r<BR>\n" );
document.write( "\n" );
document.write( "[ I got -3 for my answer] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #366158 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=366158\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "This one is set up for Substitution, but can easily be done by Elimination.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Substitution solution:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The second equation defines <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> in terms of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">, so substitute the RHS expression from the second equation in place of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> in the first equation:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ +\ 5\left(\frac{1}{5}x\ +\ 1\right)\ =\ -15\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Solve for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">, then substitute the value back into either original equation (I suggest the second one since it gives you <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> directly) and solve for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Elimination solution:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The first equation is already in Standard Form, i.e. <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large Ax\ +\ By\ =\ C\"> where A, B, and C are integers.  Put the second equation into Standard Form.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ -\ 5y\ =\ -5\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now add the two equations, term by term which will eliminate the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> variable, leaving you with a single equation in <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">.  Solve that and substitute back.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
document.write( "<div  DISABLED_style= \"text-align:center\"><a  rel=nofollow HREF=\"http://outcampaign.org/\" target=\"_blank\"><IMG STYLE=\"max-width:80%;\" src=\"http://cdn.cloudfiles.mosso.com/c116811/scarlet_A.png\" border=\"0\" alt=\"The Out Campaign: Scarlet Letter of Atheism\" width=\"143\" height=\"122\" /></a></div><BR>\n" );
document.write( "</font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );